Fourth Hottest Year in Earth’s Recorded History - Climate Report

Pat Wise
February 11, 2019

The world temperature in 2018 was the fourth hottest ever recorded, only next to 2016 (the warmest), 2015 and 2017, say the specialists of the National Administration of Aeronautics and Space (NASA).

According to the report released Wednesday, global temperatures in 2018 were 1.5 degrees Fahrenheit warmer than the average from 1951 to 1980.

The US temperature a year ago was the 14th-warmest on average, NOAA climate monitoring chief Deke Arndt said.

Paris: The last four years were the hottest since global temperature records began, the United Nations confirmed on Wednesday in an analysis that it said was a "clear sign of continuing long-term climate change". This, according to scientists, is a result of the continuing warming trend caused by the excess emission of greenhouse gasses into the atmosphere.

The obvious long-term trend of steady warming makes it easier to more accurately predict near future warming, said NASA chief climate scientist Gavin Schmidt.

Nasa's data was compiled by 6,300 weather stations around the world and was compared against information stretching back to 1880.

Record land temperatures occurred in parts of the Middle East, Europe and New Zealand.

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The past five years were the warmest ever on record, a NASA official said on Wednesday in NY.

"The impacts of long-term global warming are already being felt - in coastal flooding, heatwaves, intense precipitation and ecosystem change".

NOAA notes that weather dynamics affect regional temperatures, so not every region experienced the same amount of warming.

Changes in Arctic temperatures also contribute to an increase in extreme weather events as the jet stream, a circular current of air around the Arctic that is responsible for weather patterns in the Northern Hemisphere, gets disrupted.

If you spent much time outside last summer and thought that it wasn't that hot in past years, you were right.

It appears highly likely, at least from today's perspective, that that line will be crossed, despite the fact that more than 190 countries have signed the Paris climate agreement, which sets targets for reducing greenhouse gas emissions.

The 2018 global temperature reports were originally scheduled for release in mid-January, but they were delayed because the 35-day partial government shutdown prevented government scientists from finalizing their calculations. Right behind Michael were the western USA wildfires and Hurricane Florence, which both racked up $24 billion in damages, according to NOAA.

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